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How did Elon Musk go from being an Obama supporter to a self-described "dark MAGA" Trump ally? Here's a look at the relationship between two billionaires ahead of the second Trump presidency.

Business Insider secured access to an internal Tesla pay database, covering nearly 100,000 employees as of December 2021. Correspondent Grace Kay explains why employees working for Elon Musk's company might accept salaries lower than what they could earn at other top tech corporations or major car manufacturers.

Limos used to be the snazzy way of moving around town, but now luxury transportation is being redefined. Here's what happened to the limo and what's replacing it.

Could one pill help us live longer? Scientists and investors are racing to find a drug to slow aging, trying things like metformin and rapamycin. But the breakthrough might not come from humans.

From the Sun Belt to the Rust Belt, these seven swing states will be key for the presidential candidates to win the 2024 US presidential election. Here's where Trump and Harris stand.

Megabus was once known as an affordable travel service, but its parent company, Coach USA, has filed for bankruptcy. The bus industry is half the size it used to be. Can bus travel be saved?

What do we get wrong when we talk about ocean plastic? A lot, it turns out.

Business Insider producer Elizabeth McCauley dives into the scientific literature and talks to experts to find out how we actually solve this problem.

Whether it's a delayed flight, lost luggage, added fees, or long security lines, flying can be painful. It's gotten so bad the government is stepping in to try to make air travel suck a little less. Here's how.

Millions have already been raised for the 2024 presidential race between Kamala Harris and Donald Trump. But where does that money come from? Here's how the ultrarich can sway an election.

From government investigations to labor disputes and a custody battle, Elon Musk has a lot to lose in court. Here's the tea on Musk's lawsuits.